Household electric wire laying positioner
A locator and wire technology, which is applied in the parts, instruments, measuring electricity and other directions of electrical measuring instruments, can solve the problems such as the infancy of the wire laying position judgment technology, the difficulty in determining the direction of the wires, and the tedious operation time, etc. Detect the effect of work efficiency, simple structure and accurate signal response
Inactive Publication Date: 2019-02-15
TIANJIN UNIV
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Problems solved by technology
At present, since the wires are usually arranged in the wall during decoration, it is difficult to determine the direction of the wires in the wall, and determining the location of the wire laying brings tedious operations and a lot of unnecessary time to the operator
This technology has a very wide demand in family life and electrical decoration, but the research on the technology of judging the location of wire laying is still in its infancy in China.
Method used
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[0020] The present invention will be further described below in conjunction with the accompanying drawings.
[0021] The invention discloses a household electric wire laying positioner, which is composed of four parts: a signal detection unit, a signal processing unit, a response unit and an instrument shell; The electromagnetic signal around the wire is converted into an electrical signal and transmitted to the signal processing unit, and the processed signal is displayed by the display unit.
[0022] Such as figure 1 As shown, in this embodiment, the function of the signal detection unit is to convert the magnetic signal around the wire into an electrical signal. The principle is the principle of electromagnetic induction, that is, a conductor placed in a changing magnetic flux will generate an electromotive force. The end of the signal detection unit is connected to the input end of the signal processing unit. The signal processing unit includes an amplifier circuit and a ...
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The invention discloses a household electric wire laying positioner. The positioner is composed of four parts including a signal detection unit, a signal processing unit, a response unit and an instrument shell; the tail end of the signal detection unit is connected with the input end of the signal processing unit; the signal processing unit transmits a processed signal to the response unit; the signal processing unit comprises an amplifying unit and a filtering unit; the response unit is formed by connecting a red LED lamp and a buzzer in parallel; and the instrument shell is arranged outsidethe signal processing unit and the response unit. The positioner is simple in structure, small in size and strong in anti-interference capability; and a laying position of an electric wire can be effectively measured when a distance between a measuring position and the laying position of the electric wire is within a range of 15 cm, and an error range is ensured to be within 3 cm, so that the precision is high, and the sensitivity is high.
Description
technical field [0001] The invention belongs to the technical field of electrical engineering, and in particular relates to a household wire laying positioner, which is used to detect the electromagnetic field around the household wire to determine the laying position of the wire in the wall. Background technique [0002] Household wires are widely used in every family, but they are usually installed inside the wall, it is difficult to check the wiring position of the wires, and it is inevitable that they will be affected by various factors such as on-site installation and local defects during operation, resulting in breakpoints in the wires, making It malfunctioned causing a power outage. It is very necessary to determine the location of wire laying, and it is also an important measure to improve the safe and reliable operation of wires. At present, since the wires are usually arranged in the wall during decoration, it is difficult to determine the direction of the wires i...
Claims
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IPC IPC(8): G01R31/02G01R1/30
CPCG01R1/30G01R31/50G01R31/58
Inventor 杜伯学马婷婷韩涛王福裕
Owner TIANJIN UNIV